Watch buckle



FIG. 1 is a perspective view of the front and one side of a watch buckle showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view of said one side thereof;

FIG. 5 is a side view of an opposite side thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front view of the watch buckle in the unfolded condition; and,

FIG. 9 is a side view thereof. 

The ornamental design for a watch buckle, as shown and described. 